Crataegus orientalis

RHS Plant Profile

eastern thorn

Other common names

oriental hawthorn

Synonyms

Crataegus laevigata 'Orientalis'
Crataegus laciniata misapplied

Trees

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A small, spreading, thorny, deciduous tree to around 6m tall. Deeply-cut, dark green downy leaves with 5-9 lobes are grey beneath and turn yellow in the autumn. White fragrant flowers in rounded sprays of twelve or more are followed by aromatic red or yellowish-red fruits

Position

Full sun, Partial shade

Soil Types

Chalk, Clay, Loam, Sand

Max Height

4-8 metres

Max Spread

4-8 metres

Size

Time to Maturity: 20–50 years
Max Spread: 4-8 metres
Max Height: 4-8 metres

Growing Conditions

Chalk Clay Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun Partial shade

Aspect: West–facing or South–facing or North–facing or East–facing
Exposure: Exposed or Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H6

Colour & Scent

Fragrance Flower Fruit

Season	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family: Rosaceae
Native to GB/Ireland: No
Foliage: Deciduous
Habit: Bushy
Potentially harmful: Seeds contain toxins so these should be removed if you are considering eating the fruitusually grown as an ornamental shrub Pets: Fruit are ornamental - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Crataegus are deciduous trees and shrubs, usually with spiny branches, lobed or toothed leaves, and clusters of creamy-white flowers followed by red or black fruits. Some have fine autumn colour
Name Status: Correct
Plant Range: SE Europe W Asia

How to Grow

Cultivation

Will grow in most soils and situations

Propagation

Propagate by seed

Suggested planting locations and garden types

Wildlife gardens
Cottage and informal garden
Low Maintenance

Pruning

Pruning group 1

Pests

May be susceptible to caterpillars, gall mites and aphids

Diseases

Generally disease-free but may be susceptible to a leaf spot, fireblight, powdery mildews and honey fungus